Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803258 | Thermoplastic aromatic polyether-pyridine and process for preparing same | Hideaki Oikawa, Kenichi Sugimoto, Masahiro Ohta, Akihiro Yamaguchi | 1989-02-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803258 | Thermoplastic aromatic polyether-pyridine and process for preparing same | Hideaki Oikawa, Kenichi Sugimoto, Masahiro Ohta, Akihiro Yamaguchi | 1989-02-07 |